as these cases have been progressing, there may be a connection to a brazen robbery at pentagon city mall earlier this week. they are still investigating that possibility. >> a federal investigation is underway on accusations of witness intimidation and obstruction of justice, the same day as the deadline for lance armstrong to come clean under oath. he admitted to oprah winfrey that he doped to win seven tour de france titles. >> the wind made it pretty chilly but the sun warmed it up. >> 50 degrees in spots, it was nice. a coastal storm is going to set up, but it looks like we will get off relatively easy. let's start with a time lapse. this is looking across the city no clouds out there. high-pressure overhead, but as the high pressure moves out tomorrow, that will start a chain reaction. it will literally open the door for the storm that has yet to form. 42 in chantilly right now, 39 in chevy chase. the wind will diminish and clear skies tonight and temperatures will fall, mainly in the 20's in the immediate area. 37 in hagerstown and frederick 54 at fredericksburg now 47 at quan